Hi , Plz clarify my doubt..
1. what is q parameter.how it works ? 2 .why ACK is different transaction for successful 2xx response ? 3. what is codec, what are the different video and audio codec in sip ,In a SIP message where i will find the codec ? 4. what is media negotiation in sdp ? 5.what are the basics difference between call park and call transfer ? Regards Satya rout _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
